From owner-freebsd-current@FreeBSD.ORG Tue Apr 4 15:09:26 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 989C716A422; Tue, 4 Apr 2006 15:09:26 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2FB0443D46; Tue, 4 Apr 2006 15:09:26 +0000 (GMT) (envelope-from gallatin@cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.13.6/8.13.6) with ESMTP id k34F9PGu026646 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 4 Apr 2006 11:09:25 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id k34F9KXx094084; Tue, 4 Apr 2006 11:09:20 -0400 (EDT) (envelope-from gallatin) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17458.35872.175979.759077@grasshopper.cs.duke.edu> Date: Tue, 4 Apr 2006 11:09:20 -0400 (EDT) To: Mike Jakubik In-Reply-To: <44318FD2.1050206@rogers.com> References: <44318FD2.1050206@rogers.com> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Cc: current@freebsd.org, sos@freebsd.org Subject: Re: Broadcom ServerWorks HT-1000 support in OpenBSD X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Apr 2006 15:09:26 -0000 Mike Jakubik writes: > It seems like OpenBSD 3.9 has support for the HT-1000 IDE/SATA chipset, > and we are still missing it. Is there any way to port their code over? > There are a few nice motherboards out there that use this chipset (most > amd server boards use the crappy nvidia chipset and the accompanying > crappy network card). Why do you call the Nvida chipset "crappy"? I assume you don't care about the PCI Express bandwidth of the accompanying "northbridge"? >From a performance standpoint, the Nvida chipset is far from crappy, and can easily sustain 10GbE speeds for both send and receive, as well as send+receive at the same time. Our lab tests have shown well over 18Gb/s for send+receive using our PCI-e x8 10GbE card in an Nvidia CK804 based opteron. For any application which is moving a lot of data using PCI-e cards on an opteron, I would strongly recommend Nvidia based servers. Drew